Jan Willem Van der Griendt
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| BCF-chT 0405 (4NCL) | 09/18/2004 | 2323 | United Kingdom |
| BCF-chT2 0203 (4NCL) | 11/24/2002 | 2136 | United Kingdom |
| Utrecht op | 05/??/1998 | 1200 | Netherlands |
| Vlissingen op | ??/??/1995 | 649 | Netherlands |
Jan Willem Van der Griendt Opening Repertoire with White pieces
| ECO | Opening | Games |
| A65 | Benoni, 6.e4 | 3 games |
| E15 | Queen's Indian, 4.g3 | 3 games |
| E81 | King's Indian, Saemisch, 5...O-O | 3 games |
| B49 | Sicilian, Taimanov variation | 2 games |
Jan Willem Van der Griendt Opening Repertoire with Black pieces
| ECO | Opening | Games |
| D36 | Queen's Gambit Declined, exchange, positional line, 6.Qc2 | 3 games |
| B16 | Caro-Kann, Bronstein-Larsen variation | 2 games |
| A07 | Reti, King's Indian attack (Barcza system) | 2 games |
| B44 | Sicilian defence | 2 games |


United Kingdom
Netherlands